Valve.



G. DEW. LUKENS.

VALVE. .APPLIoATloN rILnDrmn, 19.10.

987,000. Patented 11111411511.

UNITED STATES PATENT OFFICE.

CLARENCE DE WITT LUKENS, OF ST. LOUIS, MISSOURI, ASSIGNORVOF ONE-HALF T0 DAVID L. SOLOMAN, 0F ST. LOUIS, MISSOURI. l

VALVE.

Specification of Letters Patent.

- PatentedMalf. 14, 1911.

' Application filed February 11, 1910. Serial No. 543,214.

lowing isva specification, reference beingl had therein to the accompanying drawings.

This invention relates to valves and has for its object to provide a valve .which is adapted tocontrol the passage 'of gas or liquid from a reservoir and which is particularly intended to be used to control t-he passage of acetylene or other gas from a reservoir in which the gas is stored or generated for the purpose of supplying the lamps of an automobile, railway coach, headlight of a locomotive, boat, etc.

In the drawings forming part of this specification, in which like numbers of reference denote like partswherever they occur, Figure 1 is an end elevation of a reservoir to which this valve is attached; and Fig. 2 is a sectional View on the line 2--2, Fig. 1.

The neck l of themain 'valve-body 2 is preferably screw-threaded to fit in a screwthreaded bushing 3v of the reservoir 4. A passage 5 in neck 1 communicates with the interior of reservoir 4 and, also, with au opening 6 in the main valve-body 2. A portion of opening 6 is screw-threaded to reeeive a screw-threaded stem 7 of a needle valve 8, which is movable toward and away from the valve-seat 9 in said opening G. A passage 10 extending longitudinally in stem 7 terminates in an aperture l1 which'extends transversely through said stem. Said aperture communicates with opening 5, and, when'valve 8 is moved away from seat 9 in the manner hereinafter described, the gas passes from passage 5 into opening 6 and u opening in yoke 13. An end of said screw seats 1n a depression 17 in the lower end of valve-body 2 and holds said yoke rmly in place on said valve-body. When the hand-wheel 16 is turned in4 the directionto draw the end of screw 15 out of depression 17", the yoke 13 can be removed from the valve-body 2. An ordinary packing ring 18, which is placed in an annular groove 19 inl the dishedportion 14 of yoke 13, is held snugly against theupper end of valve-body 2 and prevents the gas'from leaking out of cup 12. i'

A socket 20 on the end of stem 21 projects into cup 12. Said socket is provided with a squared opening 22 into which the squared end of steml 7 extends, and, when said socket is rotated, stem 7 is caused to rotate therey with, thereby moving valve 8 toward or away from seat 9. ASaid stem 21. extends through a stuling box 23 in the upper end of yoke 13, a hand-wheel 24 beingvfastened.

to the upper end of stem 21 for the purpose of turning same. A cap 25, which encircles stem 21, is screw-threaded to fit the screwthreaded upper end `of yoke 13, and is held in any desired position on said upper end of yoke 13 by means of a lock-nut 26. Said cap presses. asplit ring 27 against a packing ring 28 which retains the packing 29 inthe stuling-box 23. The upper end of ring28 is preferably tapered to forma seat'for the tapered lower end of split ring 27, so that in the drawings) which leads to the lamps.

The operation of the valve is as follows:l

When the hand-wheel 24 is turned in one direction, the socket 20 rotates the stem 7, thereby causing valve 8 to move away from its seat 9. The gas passes through passage 5 into opening 6, thenl through aperture 11 and YPassage 10 into the opening 22, from which it passes through passage 30 and aperture 31 into chamber 32 and then out through passage 34 and pipe 35. When the hand-wheel 24 is turned in the opposite direction, the socket 20, rotates the stem 7,

rounding said chamber, a member having 7 Jan end seating on the packing of said wal I "said member being formed with a chamber and an outlet communicating with said last named chamber, a valve rotating member carried by said first named member and having an end thereof formed to engage said valve head to rotate same, said valve rotating member being formed with a passage which communicates with both of said chambers, and means to hold said rst named member in engagement with said casing.

2. In a valve, a valve body having a threaded opening, a valve threaded in said opening and formed with a longitudinal passage, a body secured to the valve body and formed with a chamber, and means carried by the second named body to rotate said valve, said valve rotating means being formed with a passage which communicates with the valve passage at one end and with the chamber of the secondnamed body at its opposite end. v

3. In avalve, a casing having a threaded opening therein with a chamber at each end of said opening, a valve-threaded in said opening having an angular head on its stem which projects in one of said chambers, said valve stem being formed with a longitudinal passage which extends from a point at the inner 'end ofthe valve through said angular head thereof tothereby establish communication between said chambers through the valve stem, a body engaged with said casing and formed with `a chamber, and a valve operating member rotatably carried by said body, said member having a stem formed with a socket on its lower end, said socket conformably receivin and engaging over said angular head o said valve, said stem of said member being formed with an aperture which communicates with the body chamber, and with a passage which establishes communication between the socket and aperture.

4. In a valve, a casing having a chamber therein and a threaded opening communicating with the.. chamber, a valve threaded in the opening 'having an angular head which projects into the chamber, said valve having a longitudinal passage, a body secured to the casing and formed with an outlet, and a rotatable member carried by said body to actuate' said valve, said member having a socket which conformably fits over said angular head of the valve to grip same, said member having a passage which communicates with the outlet at one end and extends into said socket to communicate with said valve passage.

In testimony whereof I have aiXed my signature in presence of two witnesses.

CLARENCE DE WITT LUKENS. Witnesses: n

GLADYS WAL'roN, y DAVID LEON SoLoMAN. 

